What was found
WHILE ENROUTE TO MEDICAL FACILITY, TRANSMISSION CHIPS LIGHT ILLUMINATED AND EMERGENCY PROCEDURE WAS EXECUTED TO AN OPEN FIELD. ALL TRANSMISSION RELATED CHIP PLUGS WERE INSPECTED AND APPEARED TO BE CLEAN. PILOT RAN ACFT UP AND COULD NOT GET THE SAME FAULT TO CLEAR. TROUBLESHOOTING WITH MECHANIC FOUND THE FREEWHEELING UNIT CHIP PLUG TO BE THE CULPRIT AND NO PART READILY AVAILABLE TO REPLACE IT. ACFT SECURED AT LOCATION UNTIL PARTS ARRIVE.